#side job Articles
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[2026 latest edition] 10 recommended AI side jobs | Realistic strategies for beginners to aim for 50,000 yen per month from home
AI side jobs have become a very realistic theme for creating personal income in 2026.
Read articleExplanation of taxes on YouTube earnings | Concepts of advertising income, project income, and expenses
YouTube revenue is not only advertising revenue, but also income that can easily be spread to projects, live streaming, product sales, affiliates, etc...
Read articleWho needs to file a tax return? Explanation by company employee, side job, freelancer
Filing tax returns is not just for freelancers. Even if you are an office worker, side jobs, medical expense deductions, hometown tax payments, and ho...
Read articleAdvantages and disadvantages of becoming a sole proprietor | Checks before starting a side business
As your side business grows, you may be wondering whether you should become a sole proprietor. It is not difficult to register your business, but it d...
Read articleCan I do a side job without the company finding out? Resident tax system and points to note
Resident tax is often talked about as an opportunity for a side job to be known by a company. However, it is not so simple that it can be completely c...
Read articleHow to think about expenses for beginners in side jobs | Can you explain more about how much you can reduce?
When starting a side business, the first thing to worry about is expenses. However, if you only think about expenses in terms of whether they can be c...
Read articleHow much side job income do I need to file a tax return? Misconceptions about the 200,000 yen rule explained
A story that often comes up when it comes to taxes from side jobs is that if it's less than 200,000 yen, you don't need to file a tax return. However,...
Read articleHow much tax do you have to pay if you earn 1 million yen a year from a side job? Rough calculation idea
When your side job generates sales of 1 million yen a year, taxes suddenly become a reality. However, tax does not apply directly to sales of 1 millio...
Read articleIs there a tax on Mercari sales? Differences between daily necessities, resale, and side business sales
Not all Mercari sales are subject to tax. The point of view is different when selling unwanted household items and when continuing to sell for profit.
Read articleWhat has changed with the invoice system? Introduction for side jobs and sole proprietorships
The invoice system is a system related to the consumption tax system. Even if you have a side job or a sole proprietorship, if your business partner i...
Read articleList of things that are and are not expenses | Easy-to-understand explanation for sole proprietorships
One thing that is easy to get confused about when working as a sole proprietor or having a side job is how much you can deduct as expenses. Expenses a...
Read articleDifference between blue tax return and white tax return | Which should a side job or sole proprietor choose?
When you start a sole proprietorship or a full-fledged side business, you will run into the difference between a blue tax return and a white tax retur...
Read articleDo I need to file a tax return for blog income? Explaining advertising income, expenses, and the 200,000 yen rule
Even small amounts of blog income may require tax verification. When you have multiple payment routes, such as advertising revenue, affiliate revenue,...
Read articleHow to declare affiliate income | Organizing sales, expenses, and ASP details
Affiliate income is income where the timing of results, approvals, and deposits is likely to be delayed. The reason many people panic before filing th...
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